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Oblique view of Gale Crater from the North

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This computer-generated view based on multiple orbital observations shows Mars' Gale crater as if seen from an aircraft north of the crater.

NASA is considering Gale as a possible landing site for the Mars Science Laboratory mission. If the site is selected, the mission's rover would be placed on the ground in a northern portion of Gale crater in August 2012.

Gale crater is 96 miles (154 kilometers) in diameter and holds a layered mountain rising about 3 miles (5 kilometers) above the crater floor. The superimposed ellipse (Figure 1) indicates the candidate landing area, 12.4 miles (20 kilometers) by 15.5 miles (25 kilometers). The portion of the crater within the landing area has an alluvial fan likely formed by water-carried sediments. The lower layers of the nearby mountain -- within driving distance for Curiosity -- contain minerals indicating a wet history. The candidate landing site is at 4.5 degrees south latitude, 137.4 degrees east longitude.

This view was created using visible-light imaging by the Thermal Emission Imaging System camera on NASA's Mars Odyssey orbiter and three-dimensional information from the Mars Orbiter Laser Altimeter, which flew on NASA's Mars Global Surveyor orbiter. Color information is generalized from color imaging of portions of the scene by the High Resolution Imaging Science Experiment camera on NASA's Mars Reconnaissance Orbiter. The vertical dimension is not exaggerated.

The Mars Science Laboratory spacecraft is being prepared for launch during the period Nov. 25 to Dec. 18, 2011. In a prime mission lasting one Martian year -- nearly two Earth years -- after landing, researchers will use the rover's tools to study whether the landing region has had environmental conditions favorable for supporting microbial life and for preserving clues about whether life existed.

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